https://github.com/sterin/arduino-temp-control-bot/blob/main/README.md https://www.aliexpress.com/item/1005004191601066.html
https://it.aliexpress.com/item/1005004323237341.html?gatewayAdapt=glo2ita
https://templates.blakadder.com/ESP12F_Relay_X1.html
http://www.chinalctech.com/m/view.php?aid=472
example of template number https://www.reddit.com/r/Esphome/comments/mdnmsr/editable_variables_in_the_web_server_component/